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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_SETTINGS_OWNER_KEY_UTIL_H_
#define CHROME_BROWSER_CHROMEOS_SETTINGS_OWNER_KEY_UTIL_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/file_path.h"
#include "base/gtest_prod_util.h"
#include "base/memory/ref_counted.h"
class FilePath;
namespace crypto {
class RSAPrivateKey;
}
namespace chromeos {
class OwnerKeyUtilTest;
class OwnerKeyUtil : public base::RefCountedThreadSafe<OwnerKeyUtil> {
public:
// Creates an OwnerKeyUtil instance.
static OwnerKeyUtil* Create();
// Attempts to read the public key from the file system.
// Upon success, returns true and populates |output|. False on failure.
virtual bool ImportPublicKey(std::vector<uint8>* output) = 0;
// Looks for the private key associated with |key| in the default slot,
// and returns it if it can be found. Returns NULL otherwise.
// Caller takes ownership.
virtual crypto::RSAPrivateKey* FindPrivateKey(
const std::vector<uint8>& key) = 0;
// Checks whether the public key is present in the file system.
virtual bool IsPublicKeyPresent() = 0;
protected:
OwnerKeyUtil();
virtual ~OwnerKeyUtil();
private:
friend class base::RefCountedThreadSafe<OwnerKeyUtil>;
FRIEND_TEST_ALL_PREFIXES(OwnerKeyUtilTest, ExportImportPublicKey);
};
// Implementation of OwnerKeyUtil that is used in production code.
class OwnerKeyUtilImpl : public OwnerKeyUtil {
public:
// The file outside the owner's encrypted home directory where her
// key will live.
static const char kOwnerKeyFile[];
explicit OwnerKeyUtilImpl(const FilePath& public_key_file);
// OwnerKeyUtil:
virtual bool ImportPublicKey(std::vector<uint8>* output) OVERRIDE;
virtual crypto::RSAPrivateKey* FindPrivateKey(
const std::vector<uint8>& key) OVERRIDE;
virtual bool IsPublicKeyPresent() OVERRIDE;
protected:
virtual ~OwnerKeyUtilImpl();
private:
// The file that holds the public key.
FilePath key_file_;
DISALLOW_COPY_AND_ASSIGN(OwnerKeyUtilImpl);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_SETTINGS_OWNER_KEY_UTIL_H_
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